2. After entering the homepage, click the search button next to the homepage at the top of the page?

3. Then a search box will appear. Enter the room name or room is ok in the search box, and then click Search.

4. You can find the room you want to enter and click Enter?

5. After entering the room, click the button in the upper right corner of the page.

6. The menu option to switch to the sub-room will appear. When selected, you can switch to the sub-room.